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Unit 3 Computers本堂课包括Warming up 和 Reading 两部分。
他们是语言知识和文化意识的输入过程；是语言技能、情感态度和学习策略的培养过程，也是语言输出过程。
在整个教学过程中，它是培养学生阅读能力的主要过程，教学重点是阅读技能的培养、交际能力及情感态度的提升。
Warming up 部分根据每个人对电脑的看法不同让学生就“Do you like computer?”进行小组探究和讨论，从自身实际出发谈论自己的看法，有助于激发学生对于整个单元的学习兴趣。
Reading 部分（Computers ）主要讲述的是电脑的发展史，通过一系列问题的设置让学生能够在全面理解文章的基础上提高信息处理、加工和学习的能力。
Knowledge objectives:掌握以下词语和句型：Calculate, sum, solve, simplify, artificial, intelligence, revolution, reality, totally, application, finance, in common, over time, as a result, from···on, so···that. Ability objectives:训练学生一定的阅读技巧，使他们掌握一些有效的学习策略，从而提高阅读速度和篇章理解的准确性，并养成一定的自主学习能力；培养学生快速阅读的能力、捕捉信息的能力及运用语言进行交际的能力。
Emotion objectives:通过对“computer”的学习，启发学生思考电脑给我们带来的影响，从而以一种正确的方式利用电脑和网络资源；另外通过电脑的发展历程让学生意识到科技对生活的影响。
1. 教学重点：1.了解计算机的发展过程，进一步认识计算机的演变以及对人类的影响。
2.训练学生的阅读技巧，提高学生阅读速度和理解能力。
Unit 3 Computers---Language pointsmon adj. 普通的，常见的common sense/knowledge常识in common with和...一样have a lot/nothing/sth. in common with 与...有很多/没有/有些相似处eg.和许多学生一样，Tom 每天去上学。
In common with many students, Tom goes to school every day.pare v. 比较，相比compare A with/to B A与B相比较compare ...to 把...比作beyond compare 无与伦比eg.在诗歌中，人生被比喻为朝露。
Life is poetically compared to the morning dew 跟你的作文相比，我的更胜一筹。
Compared with your article, mine is superior to yours.•3. Over time I have been changed a lot.•over time表示“随着时间的推移”•= As time goes by•have been done现在完成时的被动语态eg.夏天过后，她渐渐的变好了。
She gradually got better over the summer. ____ the next few days, they got to know the town well.A. WithB. OverC. ForD. At•4. It took nearly two hundred years before I was built as an……•句型“It took/was+一段时间+before”过多久之后才”•before用于这类句型时的结构还有•It didn’t take/be +一段时间+before “过了不久就”•“It will take /be+一段时间+before”“要过很久才”•It won’t take/be +一段时间+before “不久后就会”•1).It was a long time before I got to sleep•2).It will be 4 years before we meet again.•3). It didn’t take long before we got there.•4).It won’t be long before you get well again.( )过了很久我才睡着。
高中必修二英语Unit3Computers重点知识练口语前我们需要明确目标，是为了通过考试?为了工作?还是出国深造、移民等?一旦确立好目标，我们也就有了学习的方向和动力。
下面是小偏整理的高中必修二英语Unit3Computers重点知识，感谢您的每一次阅读。
高中必修二英语Unit3Computers重点知识重点词汇、短语solve解决;解答from…on从…...时起asaresult结果so…that如此…以至于explore探索，探测，研究anyhow无论如何，即使如此goal目标，球门，得分humanrace人类signal发信号，信号type类型，打字inaway在某种程度上arise出现，发生withthehelpof在…...的帮助下electronic电子的dealwith处理watchover看守，监视rise/arise/arouse/raise的区别单词词性及意义过去式过去分词现在分词arise(vi.)出现,发生arosearisenarisingarouse(vt.)唤醒,激起arousedarousedarousingrise(vi.)升起,上升roserisenrisingraise(vt.)举起,饲养raisedraisedraising重点句型1.certain和sure的句型sb.besure/certainof…=sb.besure/certainthat从句：某人确信…besure/certaintodosth.肯定会做…It’scertainthat从句肯定会例如：It’scertainthathewillsucceed.=He’ssure/certaintosucceed.他肯定会成功的。
I’msure/certainofhissuccess.=I’msure/certainthathewillsucceed.我确信他会成功的。
2.主语+be+adj+todoThequestioniseasytoanswer.状语从句的省略在when,while,if,unless,though,once等引导的状语从句中，如果从句的主语和主句的主语一致,且从句中的谓语含有be动词时,为了使句子简洁,可省略从句中的主语和be动词。
Unit 3 ComputersPeriod 2 Language Points1. common adj.共同的，普遍的；常见的常用结构：in common 共有，公用(在句中多作状语）have nothing/little/a lot/something in common (with) sb. 与某人没有/许多/有些共同之处in common with 和……一样common sense/knowledge 常识common welfare公共福利易混辨析common/ordinary/usual/normalcommon 指“共有的，公共的；共同的；常见的”。
反义词为rare。
common作“普通的”讲时可与ordinary 换用。
如“普通人”也可以说成common people。
ordinary 意为“普通的，平淡无奇的”，指没有什么特别的地方。
usual 意为“平常的，通常的，一向的”，含惯例之意。
normal 意为“正常的”。
Jane and I have nothing in common. =I have nothing in common with Jane. 我与简毫无共同之处。
The problems are common to all societies. 这些问题是所有社会的通病。
In common with many young people, he prefers pop songs. 和许多年轻人一样，他喜欢流行歌曲。
He is in ordinary clothes. 他穿着平常的衣服。
We meet every day at the usual place. 我们每天在往常那个地方见面。
单项填空: Harry visited the bookstore every week. He became such a customer that the bookseller gave him some books as presents. A. common B. normal C. usual D. average2. signal n.信号；手势；声音；暗号v.发信号；用信号传达；用信号与……通讯A red light is usually a signal for/of danger. 红灯通常是危险的信号。
高中英语必修二Unit 3 Computers语言点总结Unit 3 ComputersWord usage1.calculate v: counteg. You can calculate easily with the help of computer.I must calculate how much money I spent last week.He calculated the costs very carefully.2. common adj: belonging equally the same to alleg. We have much common interest.Rice is common in south.Smith is a very common last name in England.该词构成的词组in commonThose two have something in common.They are brothers, but they have nothing in common.3. universal adj: present or occurring everywhere eg. Football is a universal game.This machine has a universal use in the home. Pollution is a universal problem in the world.4. intelligence n [U]: mental ability to learn and understand thingseg. He's a man of very high intelligence.It requires a high degree of intelligence to do the job well.When the water pipe burst, she had the intelligence to turn off the water at the main.5. anyway adv: anyhoweg. I can’t understand it anyway.Do the job anyway you like.It may rain, but we shall go anyway.6. totally adv: completelyeg. I am afraid I totally forgot it.I totally agree with you.He misunderstood me totally.7. advantage n: favorable factorseg. The job has many advantages.He had the advantage of a good education.What is the advantage of using this machine?该词的反义词为disadvantageeg. His lack of education was a disadvantage when he looked for a job.Not studying will be to your disadvantage.8. disagree vi: be unlike or have a different opinion eg. Our answers to the problem disagreed.We disagreed about everything.We disagreed on which movie to see.9. choice n: the act of choosingeg. We each had to make a choice.I will go with him because I have no choice.The shop has a wide choice of hats.10. material n: matter from which things are madeeg. Wood and stone are the only raw materials on the island. The teaching material in the school is advanced.Your writing materials are there.11.create v: to cause to be or existeg. An artist should create beautiful things.How was the universe created?That would create a wrong impression.12. arise (arose, arisen vi: come into beingeg. A question arose in the meeting.Disagreements arose between them.Unexpected difficulties arose in the course of their experiment.13. personally adv :ain person or not represented by otherseg. He went there personally.The plan was granted personally by our boss.b as a personeg I don’t know him personally, but I have read his book.. Personally, I don't approve of her.I dislike him personally, but I admire his art.14. technology: the art application in industry, etc or the study of mechanical arts and applied sciences.Eg. With the help of modern technology, you can do many things in a short time.People today enjoy a high level of technology.Useful expressions1. in one’s opinion: it is one’s view or feelingeg. In my opinion, the project is worth.In his opinion, the writing is excellent.In my opinion, the money is not enough.2. go by: passeg. As time goes by my memory seems to get worse. This week went by slowly.Don’t let the opportunity go by.3.so…that…: with the aim thateg. We were so tired that we did nothing that evening. The word was so small that I could hardly see it.He was so excited that he couldn’t speak.4. in a way: to a certain extent but not entirelyeg. The changes are an improvement in a way.The work is well done in a way.5. after all: in spite of what has been said, done or expected. eg. So you have come after all.After all, what does it matter?I’m sorry. I can’t come after all.6. with the help ofeg. I finished the job on time with help of my best friend.With the help of a passer-by, I carried the injured person into a shop.With the help of the advanced machine, they carried out the plan successfully.7. watch over: keep an eye on sb/stheg. Could you watch my clothes while I have a swim? The mother watched over the child carefully. The dog watches over its master’s house. A nurse watched over the old man. 8. deal with: attend to a problem, task, etc. eg. We should discuss how to deal with the problem. He dealt with the situation well. She knows well how to deal with children.。
Unit 3 《Computers》知识点【短语归纳】1.sound simple 听起来简单2. a technological revolution 技术革命3. artificial intelligence 人工智能4. begin as 作为…开始5. solve/settle a problem 解决问题6. a simple-minded man 一个头脑简单的人7. mathematical problem 数学问题8. be totally changed 被完全改变了9. share information with 与…信息共享10. serve the human race 为人类服务11. common knowledge 常识12. deal with 处理13. in my opinion 在我看来14. public opinion 公众舆论15 an analytical method 分析法16. share a room with与…共居一室17. connect with与…有关18. go by （从…旁）走过19. bring into effect 使生效20. the common people 老百姓21. get together 聚集22. after all 毕竟23. with the help of 在…的帮助下24. make up 编造，化妆25. a personal letter 私人信件26. watch over 看守，监视27. have a good time 玩得愉快28. once a year 一年一度29. make a decision 做出决定30. allow sb. to do sth. 允许某人干某事31. building materials 建筑材料32. in fact事实上33. create a new building 创建一栋新楼34. in a way 在某种程度上【重点句子】1.Over time my memory has developed so much that …I never forgot anything I have been told.2.I was programmed by an operator who uses cards with holes.3.At that time it was considered a technological revolution ….4.I wondered if I would grow any larger.5.Alan Turing, wrote a book about how I could be made to work as a “universal machine”to solve any difficult mathematical problem.6. As time went by, I was made smaller.These changes only became possible as my memory improved. 7.7. I have been used in offices and homes since 1970s.【单元知识点】1. In pairs discuss what they have in common. 两人一组讨论一下他们有哪些共同之处。
必修2 Unit 3 Computers一、教学内容必修2 Unit 3 Computers（一）重点单词（二）重点短语（三）重点句型二、知识精讲（一）重点单词1. simplify v. 简化; 使易懂This dictionary tries to simplify the meanings of words.这本词典努力把词意简化。
He tried to simplify the story for the younger audiences.他尽力简化这个故事便于年轻读者理解。
知识拓展：simple adj. 简单的; 朴素的simply adv. 简单地；简明地They live a simple and happy life.他们过着简朴而幸福的生活。
The questions can be answered quite simply.这些问题回答起来很容易。
2. solve vt. 解决，解答Help me to solve my financial troubles.请帮我解决经济上的困难。
I solved the word puzzle in three minutes我用三分钟解出那个字谜。
知识拓展：There’s no easy solution to this problem.没有解决这个问题的容易的方法。
即学即用：He was very bright and ______the crossword in ten minutes.A. solutionB. solvedC. settledD. ended答案：B3. total1) n. 总数；总计You got 47 points on the written examination and 18 on the oral, making a total of 65.你笔试得了47分，口试得了18分，总分65分。
The repairs come to over $ 500 in total.修理费总共500多美元。
